iPadOS 9.9.11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2017-11-09T18:03:40Z. The update package is 1.29 GB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 539570c8e323687fed499d4aa7a492e1b69b26ad.zip.